user
Instruction:Generate a customer complaint response letter.

Input: The customer states that their purchase was missing a crucial part.


assistant
Dear Customer,

We apologize for the inconvenience caused by the missing part of your purchase. We understand there is a major impact when missing parts are shipped, and strive to ensure all parts are always present. We are now processing a replacement part to you free of charge with our sincerest apologies. 

Again, we apologize for the trouble this caused, and hope to see you as a satisfied customer in the future.

Sincerely, 
[company name]